Football Manager 2024 is a great game but when it comes to the graphics it can be a bit boring. One way to change that is by installing custom graphics. One type of graphic you can install is custom fan made skins that change the apperance of the game.

The first thing you need to do to get custom skins in game is to download them. Here is links to web pages that usually have a lot of them:
https://www.fmscout.com/c-fm24-skins.html
https://sortitoutsi.net/football-manager-2024-skins

This short less than 3 min video will show you a step by step how to install custom skins: